CVE-2009-3754 in phpBMS
Summary
by MITRE
Multiple SQL injection vulnerabilities in phpBMS 0.96 allow remote attackers to execute arbitrary SQL commands via the (1) id parameter to modules/bms/invoices_discount_ajax.php, (2) f parameter to dbgraphic.php, and (3) tid parameter in a show action to advancedsearch.php.
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Analysis
by VulDB Data Team • 12/03/2024
The vulnerability described in CVE-2009-3754 represents a critical SQL injection flaw affecting phpBMS version 0.96, a web-based business management system. This vulnerability manifests across three distinct attack vectors within the application's codebase, each presenting unique pathways for malicious actors to manipulate the underlying database operations. The affected components include modules/bms/invoices_discount_ajax.php, dbgraphic.php, and advancedsearch.php, all of which process user-supplied input without adequate sanitization or validation mechanisms.
The technical exploitation of these vulnerabilities occurs through improper input handling where user-provided parameters are directly incorporated into SQL query construction without appropriate escaping or parameterization. When an attacker submits malicious input through the id parameter in invoices_discount_ajax.php, the f parameter in dbgraphic.php, or the tid parameter during advancedsearch.php operations, the application fails to validate or sanitize these inputs before incorporating them into database queries. This creates an environment where attacker-controlled data can alter the intended execution flow of SQL commands, potentially allowing full database access and manipulation.
From an operational perspective, these vulnerabilities pose significant risks to organizations utilizing phpBMS 0.96, as they enable remote attackers to execute arbitrary SQL commands against the underlying database system. Successful exploitation could result in data theft, data corruption, unauthorized privilege escalation, and potential system compromise. The attack vectors are particularly concerning because they target core application functionality including invoice management, database graphics rendering, and advanced search capabilities, suggesting broad impact across multiple business processes. The remote nature of these attacks means that exploitation can occur from any location without requiring physical access to the system infrastructure.
The vulnerability aligns with CWE-89, which specifically addresses SQL injection flaws in software applications. This classification indicates that the root cause stems from insufficient input validation and improper SQL query construction practices within the phpBMS codebase. From an adversary perspective, these vulnerabilities map to ATT&CK technique T1190, which covers exploiting vulnerabilities in software applications. The attack surface is particularly broad due to the three distinct parameter injection points, each potentially allowing different levels of database access and manipulation. Organizations should consider implementing comprehensive input validation, parameterized queries, and regular security assessments to address these exposure points effectively.
Mitigation strategies for CVE-2009-3754 should prioritize immediate patching of the phpBMS application to version 0.97 or later, which contains the necessary security fixes. Additionally, implementing proper input validation and sanitization measures across all user-supplied parameters, adopting parameterized queries for database interactions, and establishing robust access controls can significantly reduce exploitation risk. Network segmentation and intrusion detection systems should also be deployed to monitor for suspicious database activity patterns that might indicate attempted exploitation of these vulnerabilities.